The present invention pertains to: a powder mixture for powder magnetic core obtained by mixing a lubricant, a solid lubricant, and a soft magnetic powder coated with an insulating coating, wherein a lubricant content is 0.1% by mass or more and 0.8% by mass and a solid lubricant content is 0.01% by mass or more and 0.2% by mass or less; and a powder magnetic core in which the powder mixture is used.

A low-wear fluoropolymer composite body comprises at least one fluoropolymer and additive particles dispersed therein. Also provided is a process for the fabrication of such a fluoropolymer composite body. The composite body exhibits a low wear rate for sliding motion against a hard counterface, and may be formulated with either melt-processible or non-melt-processible fluoropolymers.

A coating of an outer plate contains a perylene-based pigment, and satisfies (R.sup.OH(P)/R.sup.OH(OA))74, where R.sup.OH(P) is the highlight reflectance of the coating of the outer plate at a peak wavelength at which reflectance reaches the maximum value in a spectral reflectance curve, and R.sup.OH(OA) is the average highlight reflectance of the coating of the outer plate in a complementary wavelength range. A coating of an inner plate part contains a perylene-based pigment and an iron oxide-based pigment, the content of the perylene-based pigment in the coating of the inner plate part is in units of PWC, and the mass ratio of the content of the iron oxide-based pigment to the content of the perylene-based pigment in the coating of the inner plate part is 3-20%.

A composite having (a) a substrate that has opposing first and second surfaces, the substrate being at least 90% transmissive in visible light and has less than 5% haze, (b) a nanostructured article including a matrix and a nanoscale dispersed phase and having a random nanostructured anisotropic surface; and (c) an optically clear adhesive disposed on the second surface of the substrate.

Abrasive particles comprising shaped abrasive particles each having a sidewall, each of the shaped abrasive particles comprising alpha alumina and having a first face and a second face separated by a sidewall and having a maximum thickness, T; and the shaped abrasive particles further comprising a plurality of grooves on the second face.

The present disclosure pertains to a window panel for a body structure of a vehicle, especially an airframe of an aircraft or spacecraft, including a first skin which extends over a first side of the panel to form an outer skin of the vehicle body structure; a second skin which extends over a second side of the panel to form an inner skin of the vehicle body structure; and a core, especially a foam core, located between and covered by the first and second skins in a sandwich structure. The window panel includes at least one window aperture formed through the first layer, the core, and the second layer. The core may be confined to or extends over a limited extent, region or part of the panel. Thus, the first skin and/or the second skin may extend over or cover a greater area of the panel than the core.

Abrasive particles comprising shaped abrasive particles each having a sidewall, each of the shaped abrasive particles comprising alpha alumina and having a first face and a second face separated by a sidewall and having a maximum thickness, T; and the shaped abrasive particles further comprising a plurality of grooves on the second face.

The bonding material is formed of a cured sheet composed of an addition curable silicone adhesive agent, and the addition curable silicone adhesive agent contains an organopolysiloxane containing two or more vinyl groups per molecule; an organopolysiloxane resin containing a unit (hereinafter, M) represented by R.sub.3SiO.sub.1/2 (R is a monovalent hydrocarbon group having 1 to 6 carbon atoms and containing no aliphatic unsaturated bond) and a unit (hereinafter, Q) represented by SiO.sub.4/2 in a molar ratio (M/Q ratio) equal to or more than 0.6 to equal to or less than 0.6 to 1.6; an organohydrogenpolysiloxane containing a silicon atom-bonding hydrogen atom; a platinum catalyst; and a heat conductive filler whose content falls within the range equal to or more than 20 vol % to equal to or less than to 50 vol %.

Provided is a pellicle frame that can prevent generation of haze and reduces a surface glittering defect under irradiation with collected light, and a method of manufacturing the same. The pellicle frame is obtained by using an aluminum frame material having a structure satisfying predetermined conditions on the circle-equivalent diameters of a Mg.sub.2Si crystallized product, an AlCuMg crystallized product, an AlFe-based crystallized product (Al.sub.mFe or Al.sub.7Cu.sub.2Fe), and an Al.sub.2CuMg crystallized product and on the area ratios of those crystallized products each having a circle-equivalent diameter of 1 m or more, and in addition, subjecting the aluminum frame material to anodic oxidation processing using an alkaline electrolytic solution containing as an electrolyte a predetermined organic acid salt. In addition, the method of manufacturing a pellicle frame includes: preparing an aluminum frame material having a structure as described above; and subjecting the aluminum frame material to anodic oxidation processing using an alkaline electrolytic solution containing a predetermined organic acid salt, to form an anodic oxide film.

A composite article includes a substrate and a metal-containing layer on the substrate. The metal of the metal-containing layer is oxidizable to a plurality of different oxide phases. The metal-containing layer includes a plurality of phase-specific seed particles promoting formation of a selected one of the different oxide phases.